申请人:——
公开号:US20040014977A1
公开(公告)日:2004-01-22
The present invention relates to benzoxazole compounds represented by the following formula (I):
1
wherein R
1
to R
4
may be the same or different from each other, and each represent a hydrogen atom, alkyl group having 1 to 6 carbon atoms, alkoxy group having 1 to 4 carbon atoms, haloalkyl group having 1 to 4 carbon atoms, haloalkoxy group having 1 to 4 carbon atoms, halogen atom, nitro group, cyano group, R
2
S(O)
n
, alkoxycarbonyl group having 1 to 4 carbon atoms, amino group, —NHCOR
11
or carbonyl group, where R
1
and R
2
each represent an alkyl group having 1 to 6 carbon atoms, and n is an integer of 0 to 2,
A represents a single bond, CHR
5
—Y, CR
5
═CR
6
, CR
5
R
7
—CHR
6
or CHR
5
, where R
5
represents a hydrogen atom, hydroxyl group, halogen atom or alkyl group, R
6
and R
7
each represent a hydrogen atom, hydroxyl group, alkyl group, halogen atom or substituted sulfonyloxy group,
Y represents O, S or NH, and
W represents a substituted or unsubstituted benzene ring or hetero ring,
and processes for preparing the same.
本发明涉及以下式(I)所表示的苯并噁唑化合物:其中R1到R4可以相同也可以不同,每个代表氢原子、具有1至6个碳原子的烷基、具有1至4个碳原子的烷氧基、具有1至4个碳原子的卤代烷基、具有1至4个碳原子的卤代烷氧基、卤原子、硝基、氰基、R2S(O)n、具有1至4个碳原子的烷氧羰基、氨基、—NHCOR11或羰基,其中R1和R2各代表具有1至6个碳原子的烷基,n为0至2的整数,A代表单键,CHR5—Y,CR5═CR6,CR5R7—CHR6或CHR5,其中R5代表氢原子、羟基、卤原子或烷基,R6和R7各代表氢原子、羟基、烷基、卤原子或取代磺酰氧基,Y代表O、S或NH,W代表取代或未取代的苯环或杂环,并且制备这些化合物的方法。